91 + octane is really for chambers with a compression ratio of 10:1 and up to around 11.5:1 (roughly) . What's the compression ratio of an average stock 785 motor ? I've always wondered .


You can put in this blank line right here : ____ :1

2005 Model . Two Fast Eddy stickers , a bell and a clock . She's Lola . She tinkles and keeps time . http://s649.photobucket.com/albums/uu211/britbike05/